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Part Number

Part Number:
NSN:
NIIN:
Item Name:
BOLT , MACHINE

Definition:

AN EXTERNALLY THREADED FASTENER DESIGNED FOR INSERTION THROUGH HOLES IN ASSEMBLED PARTS AND NORMALLY INTENDED TO BE TIGHTENED OR RELEASED BY TORQUING A NUT. THE THREADED AND UNTHREADED PORTIONS ARE BOTH OF ONE NOMINAL DIAMETER OF 0.190 INCH (5 MM) OR LARGER. THE HEAD IS NOT DESIGNED TO BE HELD OR DRIVEN WITH AN INSERTED DRIVER OR BY THE THUMB AND FINGERS. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. HEAD DIMENSIONS AND SIZES OF THREADED AND UNTHREADED PORTIONS SHALL CONFORM TO INTERNATIONALLY RECOGNIZED FASTENER STANDARDS. FOR ITEMS HAVING A GRIP LENGTH PORTION MACHINED TO A TOLERANCE OF 0.0015 INCH (0.038 MM) OR LESS, BOLT, SHEAR. SEE ALSO SCREW, CAP, HEXAGON HEAD AND SCREW, MACHINE.

CAGE Information

Code Company
23926 KOMATSU AMERICA INTL CO

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
MATT MATERIAL STEEL COMP 1020 OVERALL
MATT MATERIAL STEEL COMP 1020 OVERALL
AASB FASTENER LENGTH 2.750 INCHES NOMINAL
AASU HEAD HEIGHT 0.375 INCHES NOMINAL
AATB WIDTH BETWEEN FLATS 0.750 INCHES NOMINAL
AHYM NOMINAL THREAD DIAMETER 0.500 INCHES
AAJF THREAD DIRECTION RIGHT-HAND
CQFM HARDNESS RATING 79.0 ROCKWELL B NOMINAL OVERALL
THSD THREAD SERIES DESIGNATOR UNF
AAJD THREAD CLASS 2A
AASK HEAD STYLE HEXAGON
AASA THREAD LENGTH 1.062 INCHES MINIMUM
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CRZS DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER 2.625 INCHES NOMINAL FIRST HOLE
AAWB SHANK UNTHREADED HOLE DIAMETER 0.125 INCHES NOMINAL FIRST HOLE
CBBL FEATURES PROVIDED UNFINISHED HEAD
CQHQ MINIMUM YIELD STRENGTH 43000 POUNDS PER SQUARE INCH
CMLP THREAD QUANTITY PER INCH 20

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